MAP04: Hydro-Extraction Zone (Atonement)

MAP04: Hydro-Extraction Zone is the fourth map of Atonement. It was designed by Matthew DeCalzadilla (Moustachio) and uses the music track "".

Secrets

 * 1) In the east room, go behind the southeast pillar, then quickly run to the north side of the northwest pillar and use the switch. This opens the north wall, which has a box of ammo, a megaarmor, and armor bonuses. (sector 171)
 * 2) West of Secret #1, drop down to get ammo, a plasma gun, health bonuses, armor bonuses, and a medikit in a large area. (sector 87)
 * 3) At the southeast end, find a lone armor bonus and open the wall to find more armor bonuses, rockets, and partial invisibility. (sector 133)
 * 4) On the left ledge of the central area, you will find four armor bonuses. Open a wall to the west and follow the corridor to a switch. (sector 138)
 * 5) The switch in Secret #4 will raise steps to the south. Go up those steps and look north to shoot a switch, opening the door here. This leads to a ledge with a megasphere. (sector 72)
 * 6) At the red key, enter the silo to the west and shoot a switch to the west. Head back to the steps where Secret #5 is and head northwest into a new area, which has ammo, a megaarmor, and health bonuses. (sector 349)

Current records
The records for the map at the Doom Speed Demo Archive are:

The (absence of) data was last verified in its entirety on June 20, 2023.

Player spawns
This level contains six spawn points:
 * 1) facing south-west. (thing 406)
 * 2) facing north. (thing 427)
 * 3) facing north. (thing 429)
 * 4) facing north. (thing 448)
 * 5) facing south. (thing 454)
 * 6) facing north-east. (thing 467)

Things
This level contains the following numbers of things per skill level: